Tree questions in one : 1) If I follow the quickref guide the following code
AA=matrix([[3,-2,2],[1,-4,4],[1,-1,1]]
AA.rescale_row(0,-1)
should return
matrix([[-3,2,-2],[1,-4,4],[1,-1,1]]
but I see no change. What gos wrong ?
2) Is ther a way to decuplate a line and rescale it without retransforming the matrix in list?
